Bird
0
0

Identify the error in this Stepper code snippet:

medium📝 Debug Q14 of 15
iOS Swift - User Input and Forms
Identify the error in this Stepper code snippet:
@State private var count = 0
Stepper(value: count, in: 0...10) { Text("Count: \(count)") }
AMissing $ before count in value binding
BRange 0...10 is invalid for Stepper
CText label should not use \(count)
DStepper cannot use @State variables
Step-by-Step Solution
Solution:
  1. Step 1: Check Stepper value parameter

    The value parameter requires a binding, so it must be $count, not just count.
  2. Step 2: Verify other parts

    The range 0...10 is valid, Text label syntax is correct, and Stepper can use @State variables.
  3. Final Answer:

    Missing $ before count in value binding -> Option A
  4. Quick Check:

    Binding needs $ prefix [OK]
Quick Trick: Always use $ for binding variables in Stepper [OK]
Common Mistakes:
  • Passing variable without $ causes error
  • Thinking range 0...10 is invalid
  • Misunderstanding @State usage

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More iOS Swift Quizzes